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低壓斷路器有什么作用-唐山博宇電子有限公司2022-03-24 15:26:20

(1)低壓斷路器作用:第一作為電路的開關,開通和斷開線路,第二,做線路保護。一般斷路器具有過流保護和短路保護;增加欠壓線圈即可具有欠電壓保護;增加漏電模塊可具有漏電保護;一般不具備過壓保護,需要過壓保護需要另配過電壓繼電器。

(2)技術指標:In額定電流、ICU額定短路分段能力、ICS額定運行短路分斷能力、ICW短時耐受電流。萬能斷路器(框架開關)額定電流在630A以上,最高可至6300A。

(3)低壓斷路器內部附件:欠電壓脫扣器、報警觸頭、輔助觸頭、合閘線圈、分勵脫扣器。


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